An old man is in hospital.when the doctor comes to see him,s

in the evening,a young nurse comes to Mr jones' bed and says to him,''I'm going to give you your first injection now,Mr jones.where do you wantit?''the old man is surpiised.He looks at the nurse for a few minutes,and then he says,''Do you really want to let me choose now?''这个呢要翻译！